82947880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{29207}}^1$

素因数の和:29289

約数の個数: 32

約数和(自身を含む): 189267840

約数和(自身を除く): 106319960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 29207, 58414, 116828, 146035, 233656, 292070, 584140, 1168280, 2073697, 4147394, 8294788, 10368485, 16589576, 20736970, 41473940, 82947880]

約数ペア:

[(1, 82947880), (2, 41473940), (4, 20736970), (5, 16589576), (8, 10368485), (10, 8294788), (20, 4147394), (40, 2073697), (71, 1168280), (142, 584140), (284, 292070), (355, 233656), (568, 146035), (710, 116828), (1420, 58414), (2840, 29207)]